Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
Richter Scale and PPV
By Wilfrid Comeau
The RICHTER scale is used in classifying earthquake severity. It is an energy scale giving the estimated energy liberated at the source of the earthquake. Earthquake damage on the earth’s surface, for
Jan 1, 2003
-
Explosive Use for Avalanche Control
By Don Bachman, Larry Heywood
Artificial release of snow avalanches, through the use of explosives, is a necessary component of safety planning and operations for ski areas throughout the Western United States, as well as in other
Jan 1, 1999
-
Why We Keep Blast Reports (5451e7ea-fd06-4ef3-9064-6ba9f26f6185)
By Paul Kunze
We have been told many times by legal folks and insurance types about the importance of producing accurate blast reports should you ever get dragged into court. In that venue the investigators will lo
Jan 1, 2003
-
The Role of Position of Initiation and Stemming on Breakage
By Zvonimir Ester
The course of motorway tunnel under construction was set only 2 m away from the main motorway. The thickness of the tunnel overburden rock was 9 m. During the tunnel construction the traffic on the mo
Jan 1, 1998
-
Projectile Generator Design for Underground Coal Mine Seal Testing
By Ethan Steward, Kyle Perry
Underground coal mines have several dangers, one the most hazardous of which is the possibility of an explosion caused by the ignition of methane gas. To reduce ventilation costs, coal mines have the
-
Damage Complaints: Damage Potential, Pre-Blast Evidence, Human Response
By David R. Ziegler
The concept and facts concerning "threshold blast damage" are not considered "general knowledge". Perhaps because of a lack of knowledge, understanding, and experience of blasting effects, property ow
Jan 1, 1997
-
Recent European Developments Relating to Pyrotechnics
By R. K. Wharton
The paper reviews the development of European harmonised standards for fireworks, recent major incidents involving the bulk storage of fireworks which led to research funded by the European Commission
Jan 1, 2005
-
The Reliability of Peak Particle Velocity Analysis Methods
By N. Powell, P. Hunt, A. Wetherelt
This paper considers the current methods of analysis employed, the validity of assumptions made and the reliability of results and predictions derived; where appropriate, alternative methods are propo
Jan 1, 2003
-
Journal: Make a Good Impression / Pre-blast Surveys
By Sandra Penttinen
There are several ways to get a positive reaction from neighbors to blasting projects. When you need to enter structures to conduct a pre-blast inspection, the impression you make on the structure own
Jan 1, 2006
-
Future Directions in Ground Vibration and Airblast Control within an Australian Regulatory Context
By A Brodbeck, AT Spathis
Australian regulatory control of ground vibration and airblast arising from mining, quarrying and civil construction operations is spread across a number of federal, state and local authorities and ac
Jan 1, 2005
-
Journal: Who Moved My Explosives Cheese? A Commentary on the Ammonium Nitrate Age in the Security Age
By John Brulia
It has been said that the only thing that remains constant is change. After more than 33 years in the explosives industry, I do not take any exception to that adage. I have seen changes in people, cha
Jan 1, 2008
-
Water Overpressure Monitoring during an Arctic Winter
By Jeff Peterson, Alastair Grogan
During the winter of 2001/2002, a number of seismic exploration projects were carried out in the Mackenzie River Delta area of the Northwest Territories, in Canada. The purpose of the seismic projects
Jan 1, 2003
-
Daveytronic, Digital Detonator Testing in a Vibration Sensitive Environment
By Douglas A. Bartley, Davey Bickford, Raphael Trousselle
The long awaited arrival of a high accuracy detonator to reach the explosives end user will provide new opportunities the blasting community to become better equipped and able to improve upon the curr
Jan 1, 1998
-
Journal: Safety Talk / Determining The REAL Cost of An Accident
By Mark Abernathy
When most people think of a motor vehicle accident, the direct costs resulting from that accident, such as vehicle repair or towing charges, are generally easy to quantify. However, the indirect costs
Jan 1, 2006
-
An Investigation into the Effect of Varying Joint Aperture and Nature of Surface on Pre-splitting
By Syed M. Tariq, Paul N. Worsey
Presplitting is a now a universally accepted perimeter control technique in rock excavation. The success of presplitting and the smoothness and integrity of the resulting perimeter is largely dependen
Jan 1, 1996
-
Timing Effects on Fragmentation
By C. Braun, C. Kennedy, P. Katsabanis
A series of small scale tests, simulating multi-hole blasts have been performed to establish the effect of delays on blast fragmentation. The blasts were performed in high quality granodiorite blocks,
Jan 1, 2006
-
Innovative Methods of the Use of Explosives and Non-Explosive Demolition Methods in Sensitive Areas; Non-Explosive Demolition Agents to Enhance Profit Margins in Difficult Rock or Concrete Removal Projects
With the ever increasing problems of narrowing profit margins, and increased liability, a solution/option to SEE members is needed. It is essential that all members understand the benefits of utilizin
Jan 1, 1995
-
Tell Me Professor Richter -- How Much Did They Shoot?
By Douglas A. Anderson
It is quite common for people exposed to blast vibrations to ask questions such as "How big was that blast on the Richter Scale?" Although it is tempting to dismiss such questions out of hand, for the
Jan 1, 1994
-
Roadblocks: Increasing Production, Reducing Problems
By Greg Parker
"As the Explosives Industry continues to evolve and condense, those involved, such as Blasters,Contractors, Distributors and Consultants, continue to be challenged by both internal and externalforces.
Jan 1, 1999
-
Bench Increase Angle
By Jamie Delgado, Marco Arelano
The changes of bench angles in an Open pit mine has a strong economical impact in the “mining business”, particularly in its cash flow related both to the decrease as well as to the increase of the gl
Jan 1, 2001